diff --git a/CMakeLists.txt b/CMakeLists.txt
index b0342cc44d..4f17fc477b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -175,7 +175,7 @@ set_package_properties(XKB PROPERTIES
                        PURPOSE "Required for building KWin with Wayland support"
                       )
 
-find_package(Libinput 1.5)
+find_package(Libinput 1.9)
 set_package_properties(Libinput PROPERTIES TYPE OPTIONAL PURPOSE "Required for input handling on Wayland.")
 
 find_package(UDev)
@@ -185,12 +185,8 @@ set_package_properties(UDev PROPERTIES  URL "http://www.freedesktop.org/software
                                         PURPOSE "Required for input handling on Wayland."
                         )
 set(HAVE_INPUT FALSE)
-set(HAVE_INPUT_1_9 FALSE)
 if (Libinput_FOUND AND UDEV_FOUND)
     set(HAVE_INPUT TRUE)
-    if(${Libinput_VERSION} VERSION_GREATER "1.9.0" OR ${Libinput_VERSION} VERSION_EQUAL "1.9.0")
-        set(HAVE_INPUT_1_9 TRUE)
-    endif()
 endif()
 set(HAVE_UDEV FALSE)
 if (UDEV_FOUND)
diff --git a/autotests/libinput/CMakeLists.txt b/autotests/libinput/CMakeLists.txt
index 7f2ac2de7c..bc0fff699e 100644
--- a/autotests/libinput/CMakeLists.txt
+++ b/autotests/libinput/CMakeLists.txt
@@ -68,18 +68,16 @@ ecm_mark_as_test(testLibinputGestureEvent)
 ########################################################
 # Test Switch Event
 ########################################################
-if(HAVE_INPUT_1_9)
-    set( testLibinputSwitchEvent_SRCS
-            switch_event_test.cpp
-            mock_libinput.cpp
-            ../../libinput/device.cpp
-            ../../libinput/events.cpp
-        )
-    add_executable(testLibinputSwitchEvent ${testLibinputSwitchEvent_SRCS})
-    target_link_libraries(testLibinputSwitchEvent Qt5::Test Qt5::DBus Qt5::Widgets KF5::ConfigCore)
-    add_test(NAME kwin-testLibinputSwitchEvent COMMAND testLibinputSwitchEvent)
-    ecm_mark_as_test(testLibinputSwitchEvent)
-endif()
+set( testLibinputSwitchEvent_SRCS
+        switch_event_test.cpp
+        mock_libinput.cpp
+        ../../libinput/device.cpp
+        ../../libinput/events.cpp
+    )
+add_executable(testLibinputSwitchEvent ${testLibinputSwitchEvent_SRCS})
+target_link_libraries(testLibinputSwitchEvent Qt5::Test Qt5::DBus Qt5::Widgets KF5::ConfigCore)
+add_test(NAME kwin-testLibinputSwitchEvent COMMAND testLibinputSwitchEvent)
+ecm_mark_as_test(testLibinputSwitchEvent)
 
 ########################################################
 # Test Context
diff --git a/autotests/libinput/device_test.cpp b/autotests/libinput/device_test.cpp
index 619d626ca6..a93cc43259 100644
--- a/autotests/libinput/device_test.cpp
+++ b/autotests/libinput/device_test.cpp
@@ -221,9 +221,7 @@ void TestLibinputDevice::testDeviceType_data()
     QTest::newRow("pointer/touch") << false << true << true << false << false;
     QTest::newRow("keyboard/pointer/touch") << true << true << true << false << false;
     QTest::newRow("tabletTool") << false << false << false << true << false;
-#if HAVE_INPUT_1_9
     QTest::newRow("switch") << false << false << false << false << true;
-#endif
 }
 
 void TestLibinputDevice::testDeviceType()
@@ -2181,7 +2179,6 @@ void TestLibinputDevice::testSwitch_data()
 
 void TestLibinputDevice::testSwitch()
 {
-#if HAVE_INPUT_1_9
     libinput_device device;
     device.switchDevice = true;
     QFETCH(bool, lid);
@@ -2195,9 +2192,6 @@ void TestLibinputDevice::testSwitch()
     QCOMPARE(d.property("lidSwitch").toBool(), lid);
     QCOMPARE(d.isTabletModeSwitch(), tablet);
     QCOMPARE(d.property("tabletModeSwitch").toBool(), tablet);
-#else
-    QSKIP("Requires libinput 1.9");
-#endif
 }
 
 QTEST_GUILESS_MAIN(TestLibinputDevice)
diff --git a/autotests/libinput/mock_libinput.cpp b/autotests/libinput/mock_libinput.cpp
index 74aced6cea..a412078dd3 100644
--- a/autotests/libinput/mock_libinput.cpp
+++ b/autotests/libinput/mock_libinput.cpp
@@ -41,10 +41,8 @@ int libinput_device_has_capability(struct libinput_device *device, enum libinput
         return device->gestureSupported;
     case LIBINPUT_DEVICE_CAP_TABLET_TOOL:
         return device->tabletTool;
-#if HAVE_INPUT_1_9
     case LIBINPUT_DEVICE_CAP_SWITCH:
         return device->switchDevice;
-#endif
     default:
         return 0;
     }
@@ -815,8 +813,6 @@ uint32_t libinput_device_config_scroll_get_default_button(struct libinput_device
     return device->defaultScrollButton;
 }
 
-#if HAVE_INPUT_1_9
-
 int libinput_device_switch_has_switch(struct libinput_device *device, enum libinput_switch sw)
 {
     switch (sw) {
@@ -860,5 +856,3 @@ uint64_t libinput_event_switch_get_time_usec(struct libinput_event_switch *event
 {
     return event->timeMicroseconds;
 }
-
-#endif
diff --git a/config-kwin.h.cmake b/config-kwin.h.cmake
index ebae8aef0e..1566d649f6 100644
--- a/config-kwin.h.cmake
+++ b/config-kwin.h.cmake
@@ -10,7 +10,6 @@
 #define KWIN_RULES_DIALOG_BIN "${CMAKE_INSTALL_FULL_LIBEXECDIR}/kwin_rules_dialog"
 #define KWIN_XCLIPBOARD_SYNC_BIN "${CMAKE_INSTALL_FULL_LIBEXECDIR}/org_kde_kwin_xclipboard_syncer"
 #cmakedefine01 HAVE_INPUT
-#cmakedefine01 HAVE_INPUT_1_9
 #cmakedefine01 HAVE_X11_XCB
 #cmakedefine01 HAVE_X11_XINPUT
 #cmakedefine01 HAVE_DRM
diff --git a/libinput/connection.cpp b/libinput/connection.cpp
index 9e74d6f52d..38f00b23f2 100644
--- a/libinput/connection.cpp
+++ b/libinput/connection.cpp
@@ -460,7 +460,6 @@ void Connection::processEvents()
                 }
                 break;
             }
-#if HAVE_INPUT_1_9
             case LIBINPUT_EVENT_SWITCH_TOGGLE: {
                 SwitchEvent *se = static_cast<SwitchEvent*>(event.data());
                 switch (se->state()) {
@@ -475,7 +474,6 @@ void Connection::processEvents()
                 }
                 break;
             }
-#endif
             default:
                 // nothing
                 break;
diff --git a/libinput/device.cpp b/libinput/device.cpp
index c92f3d5879..330499d399 100644
--- a/libinput/device.cpp
+++ b/libinput/device.cpp
@@ -163,11 +163,9 @@ Device::Device(libinput_device *device, QObject *parent)
     , m_tabletPad(false)
 #endif
     , m_supportsGesture(libinput_device_has_capability(m_device, LIBINPUT_DEVICE_CAP_GESTURE))
-#if HAVE_INPUT_1_9
     , m_switch(libinput_device_has_capability(m_device, LIBINPUT_DEVICE_CAP_SWITCH))
     , m_lidSwitch(m_switch ? libinput_device_switch_has_switch(m_device, LIBINPUT_SWITCH_LID) : false)
     , m_tabletSwitch(m_switch ? libinput_device_switch_has_switch(m_device, LIBINPUT_SWITCH_TABLET_MODE) : false)
-#endif
     , m_name(QString::fromLocal8Bit(libinput_device_get_name(m_device)))
     , m_sysName(QString::fromLocal8Bit(libinput_device_get_sysname(m_device)))
     , m_outputName(QString::fromLocal8Bit(libinput_device_get_output_name(m_device)))
diff --git a/libinput/events.cpp b/libinput/events.cpp
index cf52fc2b06..17efc64253 100644
--- a/libinput/events.cpp
+++ b/libinput/events.cpp
@@ -57,10 +57,8 @@ Event *Event::create(libinput_event *event)
     case LIBINPUT_EVENT_GESTURE_PINCH_UPDATE:
     case LIBINPUT_EVENT_GESTURE_PINCH_END:
         return new PinchGestureEvent(event, t);
-#if HAVE_INPUT_1_9
     case LIBINPUT_EVENT_SWITCH_TOGGLE:
         return new SwitchEvent(event, t);
-#endif
     default:
         return new Event(event, t);
     }
@@ -290,11 +288,7 @@ SwipeGestureEvent::~SwipeGestureEvent() = default;
 
 SwitchEvent::SwitchEvent(libinput_event *event, libinput_event_type type)
     : Event(event, type)
-#if HAVE_INPUT_1_9
     , m_switchEvent(libinput_event_get_switch_event(event))
-#else
-    , m_switchEvent(nullptr)
-#endif
 {
 }
 
@@ -302,7 +296,6 @@ SwitchEvent::~SwitchEvent() = default;
 
 SwitchEvent::State SwitchEvent::state() const
 {
-#if HAVE_INPUT_1_9
     switch (libinput_event_switch_get_switch_state(m_switchEvent))
     {
     case LIBINPUT_SWITCH_STATE_OFF:
@@ -312,24 +305,17 @@ SwitchEvent::State SwitchEvent::state() const
     default:
         Q_UNREACHABLE();
     }
-#endif
     return State::Off;
 }
 
 quint32 SwitchEvent::time() const
 {
-#if HAVE_INPUT_1_9
     return libinput_event_switch_get_time(m_switchEvent);
-#endif
-    return 0;
 }
 
 quint64 SwitchEvent::timeMicroseconds() const
 {
-#if HAVE_INPUT_1_9
     return libinput_event_switch_get_time_usec(m_switchEvent);
-#endif
-    return 0;
 }
 
 }
diff --git a/libinput/events.h b/libinput/events.h
index f9f6bb429c..28d68a6b55 100644
--- a/libinput/events.h
+++ b/libinput/events.h
@@ -24,11 +24,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 #include <libinput.h>
 
-#include <config-kwin.h>
-#if !(HAVE_INPUT_1_9)
-struct libinput_event_switch;
-#endif
-
 namespace KWin
 {
 namespace LibInput